JPS61202080U - - Google Patents
Info
- Publication number
- JPS61202080U JPS61202080U JP8527985U JP8527985U JPS61202080U JP S61202080 U JPS61202080 U JP S61202080U JP 8527985 U JP8527985 U JP 8527985U JP 8527985 U JP8527985 U JP 8527985U JP S61202080 U JPS61202080 U JP S61202080U
- Authority
- JP
- Japan
- Prior art keywords
- voltage divider
- midpoint
- alternating current
- detection circuit
- phase alternating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図は本考案による欠相検出回路の一実施例を示
す回路図である。
１……整流回路、２……コンデンサ、３……第
１の分圧器、４……第２の分圧器、５……フオト
カプラ。
The figure is a circuit diagram showing an embodiment of an open phase detection circuit according to the present invention. 1... Rectifier circuit, 2... Capacitor, 3... First voltage divider, 4... Second voltage divider, 5... Photocoupler.
Claims (1)
に接続された第１の分圧器と、前記３相交流に接
続された第２の分圧器と、前記第１の分圧器の中
点と前記第２の分圧器の中点との電位差を検出す
る電圧検知回路とを備えたことを特徴とする欠相
検出回路。 a rectifier circuit that rectifies three-phase alternating current; a first voltage divider connected to the rectifier circuit; a second voltage divider connected to the three-phase alternating current; and a midpoint between the first voltage divider and the An open-phase detection circuit comprising: a voltage detection circuit that detects a potential difference with a midpoint of a second voltage divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8527985U JPS61202080U (en) | 1985-06-07 | 1985-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8527985U JPS61202080U (en) | 1985-06-07 | 1985-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61202080U true JPS61202080U (en) | 1986-12-18 |
Family
ID=30635533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8527985U Pending JPS61202080U (en) | 1985-06-07 | 1985-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61202080U (en) |
-
1985
- 1985-06-07 JP JP8527985U patent/JPS61202080U/ja active Pending
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